[MacPorts] #62185: libgcrypt: @1.9.1 build failures on macOS 10.8 and 10.9: cannot compile this unexpected cast lvalue yet

[MacPorts]

#62185: libgcrypt: @1.9.1 build failures on macOS 10.8 and 10.9: cannot compile
this unexpected cast lvalue yet
------------------------+-------------------------
  Reporter:  mascguy    |      Owner:  Schamschula
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  libgcrypt  |
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Comment (by Schamschula):

 Adding

 {{{
     compiler.blacklist-append {clang < 900}
 }}}

 to the {{{if {[string match "*clang*" ${configure.compiler}]} {}}} block
 might do the trick.

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Ticket URL: <https://trac.macports.org/ticket/62185#comment:7>
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